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Filters Date Range Past year (1) Past month (0) Past week (0) Past day (0) Custom range... To   Search Extensions ArcGIS REST Service (2) Shapefile (1) Types Map Service (3) ArcGIS REST Map Service (2) Downloadable (1) OGC WFS Layer (1) OGC WMS Layer (1) OGC WMS Service (1) Shapefile (1) Contacts U.S. Geological Survey Aurelia C Mitchell Jonathan W Musser U.S. Geological Survey U.S. Geological Survey - ScienceBase More... Tag Types Theme (4) Place (4) USGS Scientific Topic Keyword (2) Harvest Set (1) Tag Schemes none (2) USGS Thesaurus (1) Geographic Names Information System (GNIS) (2) Other Keywords (1) USGS Thesaurus, ISO 19115 Topic Categories, ADLFTT (1) Geographic Names Information System (2) NGDA Portfolio Themes (2) More... View Results as: JSON ATOM CSV

Region Layers for USGS South Carolina Bohman Method Hydrograph in StreamStats In cooperation with the South Carolina Department of Transportation (SCDOT), the U.S. Geological Survey prepared geospatial layers illustrating the boundaries of the regions used in the South Carolina (SC) Stream Hydrograph Methods presented in Bohman (1990,1992). The region limits were described in written text and depicted in figures in Bohman (1990, 1992), but have not been provided as geospatial layers (due to the age of the original publications). This project used best-available geospatial data from the U.S. Environmental Protection Agency (USEPA) ecoregions (2013) to create equivalent geospatial representations of the Bohman (1990, 1992) region boundaries for the SC Stream Hydrograph Methods. These layers... Categories: Data; Types: Downloadable, Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service, Shapefile; Tags: Georgia, Hydrology, North Carolina, South Carolina, USGS Science Data Catalog (SDC), All tags... United States, Virginia, Water Resources, basin, flood, floods, gage, geography, geoscientificInformation, geospatial datasets, hazard preparedness, hydrology, inlandWaters, natural resources, streamflow, streamgage, surface water, Fewer tags Basin Characteristics and Mean Annual Streamflow Data for Streamgages in New Mexico and Adjacent States, 2017 The U.S. Geological Survey (USGS), in cooperation with the New Mexico Water Resources Research Institute (WRRI), identified basin characteristics and estimated mean annual streamflow for a regional study of 169 USGS surface-water streamgages throughout the state of New Mexico and adjacent states. The basin characteristics and mean annual streamflows presented here will be used to derive equations for estimating mean annual streamflow at ungaged locations in New Mexico. The accompanying directories contain basin characteristics computation methods and results, and mean annual streamflow at streamgages. Using a Geographic Information System (GIS), surface-water streamgages were selected based on their location in... Categories: Data; Tags: New Mexico, Water Resources, drainage basins, gage, inlandWaters, All tags... streamflow, surface water (non-marine), Fewer tags USGS Watershed Boundary Dataset (WBD) Overlay Map Service from The National Map The Watershed Boundary Dataset (WBD) from The National Map (TNM) defines the perimeter of drainage areas formed by the terrain and other landscape characteristics. The drainage areas are nested within each other so that a large drainage area, such as the Upper Mississippi River, will be composed of multiple smaller drainage areas, such as the Wisconsin River. Each of these smaller areas can further be subdivided into smaller and smaller drainage areas. The WBD uses six different levels in this hierarchy, with the smallest averaging about 30,000 acres. The WBD is made up of polygons nested into six levels of data respectively defined by Regions, Subregions, Basins, Subbasins, Watersheds, and Subwatersheds. For additional... Categories: Data; Types: ArcGIS REST Map Service, Map Service; Tags: HU, HU10, HU12, HU14, HU16, All tags... HU2, HU4, HU6, HU8, Hydrography, NGP-TNM, NHD, Overlay Map Service, REST, US, United States, WBD, WMS, Water – Inland, a-16, basin, canal, dam, ditch, drainage, gage, gaging station, hydrography, hydrologic unit, inlandWaters, lake, marsh, ngda, pond, region, reservoir, river, spring, stream, subbasin, subregion, subwatershed, swamp, water, water - inland, watershed, well, Fewer tags USGS Hydrography (NHD) Overlay Map Service from The National Map The USGS National Hydrography Dataset (NHD) service from The National Map (TNM) is a comprehensive set of digital spatial data that encodes information about naturally occurring and constructed bodies of surface water (lakes, ponds, and reservoirs), paths through which water flows (canals, ditches, streams, and rivers), and related entities such as point features (springs, wells, stream gages, and dams). The information encoded about these features includes classification and other characteristics, delineation, geographic name, position and related measures, a "reach code" through which other information can be related to the NHD, and the direction of water flow. The network of reach codes delineating water and... Categories: Data; Types: ArcGIS REST Map Service, Map Service; Tags: HU, Hydrography, NGP-TNM, NHD, Overlay Map Service, All tags... REST, US, United States, WBD, WMS, Water – Inland, a-16, basin, canal, dam, ditch, drainage, gage, gaging station, hydrography, hydrologic unit, inlandWaters, lake, marsh, ngda, pond, region, reservoir, river, spring, stream, subbasin, subregion, subwatershed, swamp, water, water - inland, watershed, well, Fewer tags